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					 | 
				
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<?php | 
				
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/** | 
				
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 * ActiveFinder class file. | 
				
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 * | 
				
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 * @author Qiang Xue <qiang.xue@gmail.com> | 
				
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 * @link http://www.yiiframework.com/ | 
				
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 * @copyright Copyright © 2008-2012 Yii Software LLC | 
				
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 * @license http://www.yiiframework.com/license/ | 
				
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 */ | 
				
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 | 
				
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namespace yii\db\ar; | 
				
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 | 
				
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use yii\base\Object; | 
				
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use yii\base\VectorIterator; | 
				
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use yii\db\dao\Query; | 
				
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use yii\db\Exception; | 
				
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 | 
				
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/** | 
				
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 * ActiveFinder.php is ... | 
				
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 * | 
				
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 * @property integer $count | 
				
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 * | 
				
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 * @author Qiang Xue <qiang.xue@gmail.com> | 
				
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 * @since 2.0 | 
				
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 */ | 
				
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class ActiveFinder extends \yii\base\Object | 
				
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{ | 
				
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	/** | 
				
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	 * @var \yii\db\dao\Connection | 
				
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	 */ | 
				
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	public $connection; | 
				
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 | 
				
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	public function __construct($connection, $config = array()) | 
				
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	{ | 
				
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		$this->connection = $connection; | 
				
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		parent::__construct($config); | 
				
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	} | 
				
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 | 
				
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	/** | 
				
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	 * @param ActiveQuery $query | 
				
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	 */ | 
				
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	public function find($query, $returnScalar = false) | 
				
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	{ | 
				
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		if (!empty($query->with)) { | 
				
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			return $this->findWithRelations($query, $returnScalar); | 
				
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		} | 
				
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 | 
				
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		if ($query->sql !== null) { | 
				
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			$sql = $query->sql; | 
				
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		} else { | 
				
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			$modelClass = $query->modelClass; | 
				
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			$tableName = $modelClass::tableName(); | 
				
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			if ($query->from === null) { | 
				
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				if ($query->tableAlias !== null) { | 
				
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					$tableName .= ' ' . $query->tableAlias; | 
				
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				} | 
				
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				$query->from = array($tableName); | 
				
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			} | 
				
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			$this->applyScopes($query); | 
				
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			$sql = $this->connection->getQueryBuilder()->build($query); | 
				
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 | 
				
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			if ($query->tableAlias !== null) { | 
				
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				$alias = $this->connection->quoteTableName($query->tableAlias) . '.'; | 
				
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			} else { | 
				
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				$alias = $this->connection->quoteTableName($tableName) . '.'; | 
				
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			} | 
				
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			$tokens = array( | 
				
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				'@.' => $alias, | 
				
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				$this->connection->quoteTableName('@', true) . '.' => $alias, | 
				
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			); | 
				
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			$sql = strtr($sql, $tokens); | 
				
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		} | 
				
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		$command = $this->connection->createCommand($sql, $query->params); | 
				
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 | 
				
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		if ($returnScalar) { | 
				
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			return $command->queryScalar(); | 
				
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		} else { | 
				
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			$rows = $command->queryAll(); | 
				
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			return $this->createRecords($query, $rows); | 
				
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		} | 
				
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	} | 
				
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 | 
				
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	private $_joinCount; | 
				
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	private $_tableAliases; | 
				
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	private $_hasMany; | 
				
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 | 
				
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	/** | 
				
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	 * @param ActiveQuery $query | 
				
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	 * @return array | 
				
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	 */ | 
				
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	protected function findWithRelations($query, $returnScalar = false) | 
				
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	{ | 
				
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		$this->_joinCount = 0; | 
				
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		$this->_tableAliases = array(); | 
				
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		$this->_hasMany = false; | 
				
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		$joinTree = new JoinElement($this->_joinCount++, $query, null, null); | 
				
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 | 
				
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		if ($query->sql !== null) { | 
				
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			$command = $this->connection->createCommand($query->sql, $query->params); | 
				
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			if ($returnScalar) { | 
				
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				return $command->queryScalar(); | 
				
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			} | 
				
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			$rows = $command->queryAll(); | 
				
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			$records = $this->createRecords($query, $rows); | 
				
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			$modelClass = $query->modelClass; | 
				
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			$table = $modelClass::getMetaData()->table; | 
				
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			foreach ($records as $record) { | 
				
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				$pk = array(); | 
				
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				foreach ($table->primaryKey as $name) { | 
				
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					$pk[] = $record[$name]; | 
				
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				} | 
				
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				$pk = count($pk) === 1 ? $pk[0] : serialize($pk); | 
				
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				$joinTree->records[$pk] = $record; | 
				
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			} | 
				
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 | 
				
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			$q = new ActiveQuery($modelClass); | 
				
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			$q->with = $query->with; | 
				
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			$q->tableAlias = 't'; | 
				
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			$q->asArray = $query->asArray; | 
				
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			$q->index = $query->index; | 
				
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			$q->select = $table->primaryKey; | 
				
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			$this->addPkCondition($q, $table, $rows, 't.'); | 
				
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			$joinTree->query = $query = $q; | 
				
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		} | 
				
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 | 
				
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		$this->buildJoinTree($joinTree, $query->with); | 
				
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		$this->initJoinTree($joinTree); | 
				
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 | 
				
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		$q = new Query; | 
				
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		$this->buildJoinQuery($joinTree, $q, $returnScalar); | 
				
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 | 
				
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		if ($returnScalar) { | 
				
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			return $q->createCommand($this->connection)->queryScalar(); | 
				
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		} else { | 
				
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			if ($this->_hasMany && ($query->limit > 0 || $query->offset > 0)) { | 
				
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				$this->limitQuery($query, $q); | 
				
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			} | 
				
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			$command = $q->createCommand($this->connection); | 
				
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			$rows = $command->queryAll(); | 
				
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			$joinTree->populateData($rows); | 
				
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			return $query->index === null ? array_values($joinTree->records) : $joinTree->records; | 
				
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		} | 
				
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	} | 
				
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 | 
				
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	/** | 
				
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	 * @param ActiveRecord $record | 
				
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	 * @param ActiveRelation $relation | 
				
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	 * @return array | 
				
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	 */ | 
				
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	public function findWithRecord($record, $relation) | 
				
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	{ | 
				
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		$this->_joinCount = 0; | 
				
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		$this->_tableAliases = array(); | 
				
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		$this->_hasMany = false; | 
				
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		$query = new ActiveQuery(get_class($record)); | 
				
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		$modelClass = $query->modelClass; | 
				
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		$table = $modelClass::getMetaData()->table; | 
				
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		$query->select = $table->primaryKey; | 
				
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		$query->limit = $relation->limit; | 
				
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		$query->offset = $relation->offset; | 
				
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		$joinTree = new JoinElement($this->_joinCount++, $query, null, null); | 
				
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		$child = $this->buildJoinTree($joinTree, $relation->name); | 
				
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		$child->query = $relation; | 
				
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		$child->container = null; | 
				
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		$this->buildJoinTree($child, $relation->with); | 
				
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		$this->initJoinTree($joinTree); | 
				
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 | 
				
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		$pk = $record->getPrimaryKey(true); | 
				
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		$this->addPkCondition($query, $table, array($pk), $query->tableAlias . '.'); | 
				
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 | 
				
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		$q = new Query; | 
				
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		$this->buildJoinQuery($joinTree, $q); | 
				
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 | 
				
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		if ($this->_hasMany && ($query->limit > 0 || $query->offset > 0)) { | 
				
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			$this->limitQuery($query, $q); | 
				
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		} | 
				
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 | 
				
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		$rows = $q->createCommand($this->connection)->queryAll(); | 
				
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		$child->populateData($rows); | 
				
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 | 
				
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		$records = $relation->index === null ? array_values($child->records) : $child->records; | 
				
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		if ($relation->hasMany) { | 
				
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			return $records; | 
				
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		} else { | 
				
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			return $records === array() ? null : reset($records); | 
				
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		} | 
				
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	} | 
				
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 | 
				
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	protected function createRecords($query, $rows) | 
				
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	{ | 
				
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		$records = array(); | 
				
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		if ($query->asArray) { | 
				
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			if ($query->index === null) { | 
				
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				return $rows; | 
				
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			} | 
				
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			foreach ($rows as $row) { | 
				
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				$records[$row[$query->index]] = $row; | 
				
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			} | 
				
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		} else { | 
				
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			/** @var $class ActiveRecord */ | 
				
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			$class = $query->modelClass; | 
				
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			if ($query->index === null) { | 
				
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				foreach ($rows as $row) { | 
				
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					$records[] = $class::create($row); | 
				
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				} | 
				
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			} else { | 
				
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				foreach ($rows as $row) { | 
				
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					$records[$row[$query->index]] = $class::create($row); | 
				
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				} | 
				
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			} | 
				
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		} | 
				
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		return $records; | 
				
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	} | 
				
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 | 
				
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	protected function applyScopes($query) | 
				
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	{ | 
				
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		/** @var $class ActiveRecord */ | 
				
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		$class = $query->modelClass; | 
				
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		$class::defaultScope($query); | 
				
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		if (is_array($query->scopes)) { | 
				
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			$model = new $class; | 
				
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			foreach ($query->scopes as $name => $params) { | 
				
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				if (is_string($params)) { | 
				
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					// scope name only without parameters | 
				
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					$name = $params; | 
				
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					$params = array(); | 
				
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				} | 
				
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				if (method_exists($class, $name)) { | 
				
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					array_unshift($params, $query); | 
				
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					call_user_func_array(array($model, $name), $params); | 
				
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				} else { | 
				
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					throw new Exception("$class has no scope named '$name'."); | 
				
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				} | 
				
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			} | 
				
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		} | 
				
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	} | 
				
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 | 
				
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	/** | 
				
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	 * @param JoinElement $parent | 
				
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	 * @param array|string $with | 
				
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	 * @param array|\Closure $config | 
				
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	 * @return null|JoinElement | 
				
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	 * @throws \yii\db\Exception | 
				
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	 */ | 
				
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	protected function buildJoinTree($parent, $with, $config = array()) | 
				
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	{ | 
				
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		if (empty($with)) { | 
				
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			return null; | 
				
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		} | 
				
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		if (is_array($with)) { | 
				
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			foreach ($with as $name => $value) { | 
				
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				if (is_array($value) || $value instanceof \Closure) { | 
				
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					$this->buildJoinTree($parent, $name, $value); | 
				
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				} else { | 
				
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					$this->buildJoinTree($parent, $value); | 
				
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				} | 
				
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			} | 
				
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			return null; | 
				
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		} | 
				
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 | 
				
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		if (($pos = strrpos($with, '.')) !== false) { | 
				
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			$parent = $this->buildJoinTree($parent, substr($with, 0, $pos)); | 
				
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			$with = substr($with, $pos + 1); | 
				
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		} | 
				
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 | 
				
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		if (isset($parent->children[$with])) { | 
				
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			$child = $parent->children[$with]; | 
				
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		} else { | 
				
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			$modelClass = $parent->query->modelClass; | 
				
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			$relations = $modelClass::getMetaData()->relations; | 
				
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			if (!isset($relations[$with])) { | 
				
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				throw new Exception("$modelClass has no relation named '$with'."); | 
				
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			} | 
				
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			$relation = clone $relations[$with]; | 
				
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			if (is_string($relation->via)) { | 
				
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				// join via an existing relation | 
				
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				$parent2 = $this->buildJoinTree($parent, $relation->via); | 
				
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				if ($parent2->query->select === null) { | 
				
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					$parent2->query->select = false; | 
				
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					unset($parent2->container->relations[$parent2->query->name]); | 
				
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				} | 
				
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				$child = new JoinElement($this->_joinCount++, $relation, $parent2, $parent); | 
				
			||||
			} elseif (is_array($relation->via)) { | 
				
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				// join via a pivoting table | 
				
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				$r = new ActiveRelation; | 
				
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				$r->name = 'vt' . $this->_joinCount; | 
				
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				$r->hasMany = $relation->hasMany; | 
				
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 | 
				
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				foreach ($relation->via as $name => $value) { | 
				
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					$r->$name = $value; | 
				
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				} | 
				
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 | 
				
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				$r->select = false; | 
				
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				if ($r->joinType === null) { | 
				
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					$r->joinType = $relation->joinType; | 
				
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				} | 
				
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 | 
				
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				$parent2 = new JoinElement($this->_joinCount++, $r, $parent, $parent); | 
				
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				$child = new JoinElement($this->_joinCount++, $relation, $parent2, $parent); | 
				
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 | 
				
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			} else { | 
				
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				$child = new JoinElement($this->_joinCount++, $relation, $parent, $parent); | 
				
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			} | 
				
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		} | 
				
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 | 
				
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		if ($config instanceof \Closure) { | 
				
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			$config($child->query); | 
				
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		} else { | 
				
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			foreach ($config as $name => $value) { | 
				
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				$child->query->$name = $value; | 
				
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			} | 
				
			||||
		} | 
				
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 | 
				
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		return $child; | 
				
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	} | 
				
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 | 
				
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	/** | 
				
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	 * @param JoinElement $element | 
				
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	 */ | 
				
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	protected function initJoinTree($element) | 
				
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	{ | 
				
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		if ($element->query->tableAlias !== null) { | 
				
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			$alias = $element->query->tableAlias; | 
				
			||||
		} elseif ($element->query instanceof ActiveRelation) { | 
				
			||||
			$alias = $element->query->name; | 
				
			||||
		} else { | 
				
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			$alias = 't'; | 
				
			||||
		} | 
				
			||||
		if ($element->query instanceof ActiveRelation) { | 
				
			||||
			if ($element->query->hasMany) { | 
				
			||||
				$this->_hasMany = true; | 
				
			||||
			} | 
				
			||||
			if ($element->parent->query->asArray !== null && $element->query->asArray === null) { | 
				
			||||
				$element->query->asArray = $element->parent->query->asArray; | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
		$count = 0; | 
				
			||||
		while (isset($this->_tableAliases[$alias])) { | 
				
			||||
			$alias = 't' . $count++; | 
				
			||||
		} | 
				
			||||
		$this->_tableAliases[$alias] = true; | 
				
			||||
		$element->query->tableAlias = $alias; | 
				
			||||
 | 
				
			||||
		if ($element->records !== array()) { | 
				
			||||
			$this->applyScopes($element->query); | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		if ($element->container !== null && $element->query->asArray === null) { | 
				
			||||
			$element->query->asArray = $element->container->query->asArray; | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		foreach ($element->children as $child) { | 
				
			||||
			$this->initJoinTree($child); | 
				
			||||
		} | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	/** | 
				
			||||
	 * @param JoinElement $element | 
				
			||||
	 * @param \yii\db\dao\Query $query | 
				
			||||
	 */ | 
				
			||||
	protected function buildJoinQuery($element, $query, $keepSelect = false) | 
				
			||||
	{ | 
				
			||||
		if ($element->parent) { | 
				
			||||
			$prefixes = array( | 
				
			||||
				'@.' => $element->query->tableAlias . '.', | 
				
			||||
				'?.' => $element->parent->query->tableAlias . '.', | 
				
			||||
			); | 
				
			||||
			$quotedPrefixes = array( | 
				
			||||
				'@.' => $this->connection->quoteTableName($element->query->tableAlias, true) . '.', | 
				
			||||
				'?.' => $this->connection->quoteTableName($element->parent->query->tableAlias, true) . '.', | 
				
			||||
			); | 
				
			||||
		} else { | 
				
			||||
			$prefixes = array( | 
				
			||||
				'@.' => $element->query->tableAlias . '.', | 
				
			||||
			); | 
				
			||||
			$quotedPrefixes = array( | 
				
			||||
				'@.' => $this->connection->quoteTableName($element->query->tableAlias, true) . '.', | 
				
			||||
			); | 
				
			||||
			$query->limit = $element->query->limit; | 
				
			||||
			$query->offset = $element->query->offset; | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		$qb = $this->connection->getQueryBuilder(); | 
				
			||||
 | 
				
			||||
		if ($keepSelect) { | 
				
			||||
			if (!empty($element->query->select)) { | 
				
			||||
				$select = $element->query->select; | 
				
			||||
				if (is_string($select)) { | 
				
			||||
					$select = explode(',', $select); | 
				
			||||
				} | 
				
			||||
				foreach ($select as $column) { | 
				
			||||
					$query->select[] = strtr(trim($column), $prefixes); | 
				
			||||
				} | 
				
			||||
			} | 
				
			||||
		} else { | 
				
			||||
			foreach ($this->buildSelect($element, $element->query->select) as $column) { | 
				
			||||
				$query->select[] = strtr($column, $prefixes); | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		if ($element->query instanceof ActiveQuery) { | 
				
			||||
			if ($element->query->from === null) { | 
				
			||||
				$modelClass = $element->query->modelClass; | 
				
			||||
				$tableName = $modelClass::tableName(); | 
				
			||||
				if ($element->query->tableAlias !== null) { | 
				
			||||
					$tableName .= ' ' . $element->query->tableAlias; | 
				
			||||
				} | 
				
			||||
				$query->from = array($tableName); | 
				
			||||
			} else { | 
				
			||||
				$query->from = $element->query->from; | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		if (($where = $qb->buildCondition($element->query->where)) !== '') { | 
				
			||||
			$query->andWhere(strtr($where, $quotedPrefixes)); | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		if (($having = $qb->buildCondition($element->query->having)) !== '') { | 
				
			||||
			$query->andHaving(strtr($having, $quotedPrefixes)); | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		if ($element->query instanceof ActiveRelation) { | 
				
			||||
			$joinType = $element->query->joinType ?: 'LEFT JOIN'; | 
				
			||||
			if ($element->query->modelClass !== null) { | 
				
			||||
				$modelClass = $element->query->modelClass; | 
				
			||||
				$tableName = $this->connection->quoteTableName($modelClass::tableName()); | 
				
			||||
			} else { | 
				
			||||
				$tableName = $this->connection->quoteTableName($element->query->table); | 
				
			||||
			} | 
				
			||||
			$tableAlias = $this->connection->quoteTableName($element->query->tableAlias); | 
				
			||||
			$join = "$joinType $tableName $tableAlias"; | 
				
			||||
			$on = ''; | 
				
			||||
			if (is_array($element->query->link)) { | 
				
			||||
				foreach ($element->query->link as $pk => $fk) { | 
				
			||||
					$pk = $quotedPrefixes['@.'] . $this->connection->quoteColumnName($pk, true); | 
				
			||||
					$fk = $quotedPrefixes['?.'] . $this->connection->quoteColumnName($fk, true); | 
				
			||||
					if ($on !== '') { | 
				
			||||
						$on .= ' AND '; | 
				
			||||
					} | 
				
			||||
					$on .= "$pk = $fk"; | 
				
			||||
				} | 
				
			||||
			} | 
				
			||||
			if ($element->query->on !== null) { | 
				
			||||
				$condition = strtr($qb->buildCondition($element->query->on), $quotedPrefixes); | 
				
			||||
				if ($on !== '') { | 
				
			||||
					$on .= " AND ($condition)"; | 
				
			||||
				} else { | 
				
			||||
					$on = $condition; | 
				
			||||
				} | 
				
			||||
			} | 
				
			||||
			if ($on !== '') { | 
				
			||||
				$join .= ' ON ' . $on; | 
				
			||||
			} | 
				
			||||
			$query->join[] = $join; | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		if ($element->query->join !== null) { | 
				
			||||
			if (is_array($element->query->join)) { | 
				
			||||
				foreach ($element->query->join as $join) { | 
				
			||||
					if (is_array($join) && isset($join[2])) { | 
				
			||||
						$join[2] = strtr($join[2], $quotedPrefixes); | 
				
			||||
					} | 
				
			||||
					$query->join[] = $join; | 
				
			||||
				} | 
				
			||||
			} else { | 
				
			||||
				$query->join[] = strtr($element->query->join, $quotedPrefixes); | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		if ($element->query->orderBy !== null) { | 
				
			||||
			if (!is_array($element->query->orderBy)) { | 
				
			||||
				$element->query->orderBy = preg_split('/\s*,\s*/', trim($element->query->orderBy), -1, PREG_SPLIT_NO_EMPTY); | 
				
			||||
			} | 
				
			||||
			foreach ($element->query->orderBy as $order) { | 
				
			||||
				$query->orderBy[] = strtr($order, $prefixes); | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		if ($element->query->groupBy !== null) { | 
				
			||||
			if (!is_array($element->query->groupBy)) { | 
				
			||||
				$element->query->groupBy = preg_split('/\s*,\s*/', trim($element->query->groupBy), -1, PREG_SPLIT_NO_EMPTY); | 
				
			||||
			} | 
				
			||||
			foreach ($element->query->groupBy as $group) { | 
				
			||||
				$query->groupBy[] = strtr($group, $prefixes); | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		if ($element->query->params !== null) { | 
				
			||||
			$query->addParams($element->query->params); | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		foreach ($element->children as $child) { | 
				
			||||
			$this->buildJoinQuery($child, $query, $keepSelect); | 
				
			||||
		} | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	protected function buildSelect($element, $select) | 
				
			||||
	{ | 
				
			||||
		if ($select === false) { | 
				
			||||
			return array(); | 
				
			||||
		} | 
				
			||||
		$modelClass = $element->query->modelClass; | 
				
			||||
		$table = $modelClass::getMetaData()->table; | 
				
			||||
		$columns = array(); | 
				
			||||
		$columnCount = 0; | 
				
			||||
		$prefix = $element->query->tableAlias; | 
				
			||||
 | 
				
			||||
		foreach ($table->primaryKey as $column) { | 
				
			||||
			$alias = "c{$element->id}_" . ($columnCount++); | 
				
			||||
			$columns[] = "$prefix.$column AS $alias"; | 
				
			||||
			$element->pkAlias[$column] = $alias; | 
				
			||||
			$element->columnAliases[$alias] = $column; | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		if (empty($select) || $select === '*') { | 
				
			||||
			foreach ($table->columns as $column) { | 
				
			||||
				if (!isset($element->pkAlias[$column->name])) { | 
				
			||||
					$alias = "c{$element->id}_" . ($columnCount++); | 
				
			||||
					$columns[] = "$prefix.{$column->name} AS $alias"; | 
				
			||||
					$element->columnAliases[$alias] = $column->name; | 
				
			||||
				} | 
				
			||||
			} | 
				
			||||
		} else { | 
				
			||||
			if (is_string($select)) { | 
				
			||||
				$select = explode(',', $select); | 
				
			||||
			} | 
				
			||||
			foreach ($select as $column) { | 
				
			||||
				$column = trim($column); | 
				
			||||
				if (preg_match('/^(.*?)\s+AS\s+(\w+)$/im', $column, $matches)) { | 
				
			||||
					// if the column is already aliased | 
				
			||||
					$element->columnAliases[$matches[2]] = $matches[2]; | 
				
			||||
					$columns[] = $column; | 
				
			||||
				} elseif (!isset($element->pkAlias[$column])) { | 
				
			||||
					$alias = "c{$element->id}_" . ($columnCount++); | 
				
			||||
					if (strpos($column, '(') !== false) { | 
				
			||||
						$columns[] = "$column AS $alias"; | 
				
			||||
					} else { | 
				
			||||
						$columns[] = "$prefix.$column AS $alias"; | 
				
			||||
					} | 
				
			||||
					$element->columnAliases[$alias] = $column; | 
				
			||||
				} | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		// determine the actual index column(s) | 
				
			||||
		if ($element->query->index !== null) { | 
				
			||||
			$index = array_search($element->query->index, $element->columnAliases); | 
				
			||||
		} | 
				
			||||
		if (empty($index)) { | 
				
			||||
			$index = $element->pkAlias; | 
				
			||||
			if (count($index) === 1) { | 
				
			||||
				$index = reset($element->pkAlias); | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
		$element->key = $index; | 
				
			||||
 | 
				
			||||
		return $columns; | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	protected function limitQuery($activeQuery, $query) | 
				
			||||
	{ | 
				
			||||
		$q = clone $query; | 
				
			||||
		$modelClass = $activeQuery->modelClass; | 
				
			||||
		$table = $modelClass::getMetaData()->table; | 
				
			||||
		$q->select = array(); | 
				
			||||
		foreach ($table->primaryKey as $name) { | 
				
			||||
			$q->select[] = $alias = $activeQuery->tableAlias . '.' . $name; | 
				
			||||
		} | 
				
			||||
		$q->distinct = true; | 
				
			||||
		$rows = $q->createCommand($this->connection)->queryAll(); | 
				
			||||
		$prefix = $activeQuery->tableAlias . '.'; | 
				
			||||
		$this->addPkCondition($query, $table, $rows, $prefix); | 
				
			||||
		$query->limit = $query->offset = null; | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	protected function addPkCondition($query, $table, $rows, $prefix) | 
				
			||||
	{ | 
				
			||||
		if (count($table->primaryKey) === 1 && count($rows) > 1) { | 
				
			||||
			$name = $table->primaryKey[0]; | 
				
			||||
			$values = array(); | 
				
			||||
			foreach ($rows as $row) { | 
				
			||||
				$values[] = $table->columns[$name]->typecast($row[$name]); | 
				
			||||
			} | 
				
			||||
			$query->andWhere(array('in', $prefix . $name, $values)); | 
				
			||||
		} else { | 
				
			||||
			$ors = array('or'); | 
				
			||||
			foreach ($rows as $row) { | 
				
			||||
				$hash = array(); | 
				
			||||
				foreach ($table->primaryKey as $name) { | 
				
			||||
					$value = $table->columns[$name]->typecast($row[$name]); | 
				
			||||
					if (is_string($value)) { | 
				
			||||
						$value = $this->connection->quoteValue($value); | 
				
			||||
					} | 
				
			||||
					$hash[$prefix . $name] = $value; | 
				
			||||
				} | 
				
			||||
				$ors[] = $hash; | 
				
			||||
			} | 
				
			||||
			$query->andWhere($ors); | 
				
			||||
		} | 
				
			||||
	} | 
				
			||||
} | 
				
			||||
@ -1,103 +0,0 @@
					 | 
				
			||||
<?php | 
				
			||||
 | 
				
			||||
namespace yii\db\ar; | 
				
			||||
 | 
				
			||||
use yii\db\Exception; | 
				
			||||
use yii\db\dao\TableSchema; | 
				
			||||
 | 
				
			||||
/** | 
				
			||||
 * ActiveMetaData represents the meta-data for an Active Record class. | 
				
			||||
 * | 
				
			||||
 * @author Qiang Xue <qiang.xue@gmail.com> | 
				
			||||
 * @since 2.0 | 
				
			||||
 */ | 
				
			||||
class ActiveMetaData | 
				
			||||
{ | 
				
			||||
	/** | 
				
			||||
	 * @var ActiveMetaData[] list of ActiveMetaData instances indexed by the model class names | 
				
			||||
	 */ | 
				
			||||
	public static $instances; | 
				
			||||
	/** | 
				
			||||
	 * @var TableSchema the table schema information | 
				
			||||
	 */ | 
				
			||||
	public $table; | 
				
			||||
	/** | 
				
			||||
	 * @var string the model class name | 
				
			||||
	 */ | 
				
			||||
	public $modelClass; | 
				
			||||
	/** | 
				
			||||
	 * @var ActiveRecord the model instance that can be used to access non-static methods | 
				
			||||
	 */ | 
				
			||||
	public $model; | 
				
			||||
 | 
				
			||||
	/** | 
				
			||||
	 * Returns an instance of ActiveMetaData for the specified model class. | 
				
			||||
	 * Note that each model class only has a single ActiveMetaData instance. | 
				
			||||
	 * This method will only create the ActiveMetaData instance if it is not previously | 
				
			||||
	 * done so for the specified model class. | 
				
			||||
	 * @param string $modelClass the model class name. Make sure the class name do NOT have a leading backslash "\". | 
				
			||||
	 * @param boolean $refresh whether to recreate the ActiveMetaData instance. Defaults to false. | 
				
			||||
	 * @return ActiveMetaData the ActiveMetaData instance for the specified model class. | 
				
			||||
	 */ | 
				
			||||
	public static function getInstance($modelClass, $refresh = false) | 
				
			||||
	{ | 
				
			||||
		if (isset(self::$instances[$modelClass]) && !$refresh) { | 
				
			||||
			return self::$instances[$modelClass]; | 
				
			||||
		} else { | 
				
			||||
			return self::$instances[$modelClass] = new self($modelClass); | 
				
			||||
		} | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	/** | 
				
			||||
	 * Constructor. | 
				
			||||
	 * @param string $modelClass the model class name | 
				
			||||
	 */ | 
				
			||||
	public function __construct($modelClass) | 
				
			||||
	{ | 
				
			||||
		$this->modelClass = $modelClass; | 
				
			||||
		$this->model = new $modelClass; | 
				
			||||
		$tableName = $this->model->tableName(); | 
				
			||||
		$this->table = $this->model->getDbConnection()->getDriver()->getTableSchema($tableName); | 
				
			||||
		if ($this->table === null) { | 
				
			||||
			throw new Exception("Unable to find table '$tableName' for ActiveRecord class '$modelClass'."); | 
				
			||||
		} | 
				
			||||
		$primaryKey = $this->model->primaryKey(); | 
				
			||||
		if ($primaryKey !== $this->table->primaryKey) { | 
				
			||||
			$this->table->fixPrimaryKey($primaryKey); | 
				
			||||
		} elseif ($primaryKey === null) { | 
				
			||||
			throw new Exception("The table '$tableName' for ActiveRecord class '$modelClass' does not have a primary key."); | 
				
			||||
		} | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	/** | 
				
			||||
	 * Adds a relation. | 
				
			||||
	 * | 
				
			||||
	 * $config is an array with three elements: | 
				
			||||
	 * relation type, the related active record class and the foreign key. | 
				
			||||
	 * | 
				
			||||
	 * @throws Exception | 
				
			||||
	 * @param string $name $name Name of the relation. | 
				
			||||
	 * @param array $config $config Relation parameters. | 
				
			||||
	 * @return void | 
				
			||||
	 */ | 
				
			||||
	public function addRelation($name, $config) | 
				
			||||
	{ | 
				
			||||
		if (preg_match('/^(\w+)\s*:\s*\\\\?([\w\\\\]+)(\[\])?$/', $name, $matches)) { | 
				
			||||
			if (is_string($config)) { | 
				
			||||
				$config = array('on' => $config); | 
				
			||||
			} | 
				
			||||
			$relation = new ActiveRelation($config); | 
				
			||||
			$relation->name = $matches[1]; | 
				
			||||
			$modelClass = $matches[2]; | 
				
			||||
			if (strpos($modelClass, '\\') !== false) { | 
				
			||||
				$relation->modelClass = ltrim($modelClass, '\\'); | 
				
			||||
			} else { | 
				
			||||
				$relation->modelClass = dirname($this->modelClass) . '\\' . $modelClass; | 
				
			||||
			} | 
				
			||||
			$relation->hasMany = isset($matches[3]); | 
				
			||||
			$this->relations[$relation->name] = $relation; | 
				
			||||
		} else { | 
				
			||||
			throw new Exception("{$this->modelClass} has an invalid relation: $name"); | 
				
			||||
		} | 
				
			||||
	} | 
				
			||||
} | 
				
			||||
@ -1,107 +0,0 @@
					 | 
				
			||||
<?php | 
				
			||||
/** | 
				
			||||
 * ActiveFinder class file. | 
				
			||||
 * | 
				
			||||
 * @author Qiang Xue <qiang.xue@gmail.com> | 
				
			||||
 * @link http://www.yiiframework.com/ | 
				
			||||
 * @copyright Copyright © 2008-2012 Yii Software LLC | 
				
			||||
 * @license http://www.yiiframework.com/license/ | 
				
			||||
 */ | 
				
			||||
 | 
				
			||||
namespace yii\db\ar; | 
				
			||||
 | 
				
			||||
use yii\db\dao\BaseQuery; | 
				
			||||
 | 
				
			||||
/** | 
				
			||||
 * @author Qiang Xue <qiang.xue@gmail.com> | 
				
			||||
 * @since 2.0 | 
				
			||||
 */ | 
				
			||||
class BaseActiveQuery extends BaseQuery | 
				
			||||
{ | 
				
			||||
	/** | 
				
			||||
	 * @var string the name of the ActiveRecord class. | 
				
			||||
	 */ | 
				
			||||
	public $modelClass; | 
				
			||||
	/** | 
				
			||||
	 * @var array list of relations that this query should be performed with | 
				
			||||
	 */ | 
				
			||||
	public $with; | 
				
			||||
	/** | 
				
			||||
	 * @var string the table alias to be used for query | 
				
			||||
	 */ | 
				
			||||
	public $tableAlias; | 
				
			||||
	/** | 
				
			||||
	 * @var string the name of the column that the result should be indexed by. | 
				
			||||
	 * This is only useful when the query result is returned as an array. | 
				
			||||
	 */ | 
				
			||||
	public $index; | 
				
			||||
	/** | 
				
			||||
	 * @var boolean whether to return each record as an array. If false (default), an object | 
				
			||||
	 * of [[modelClass]] will be created to represent each record. | 
				
			||||
	 */ | 
				
			||||
	public $asArray; | 
				
			||||
	/** | 
				
			||||
	 * @var array list of scopes that should be applied to this query | 
				
			||||
	 */ | 
				
			||||
	public $scopes; | 
				
			||||
 | 
				
			||||
	public function asArray($value = true) | 
				
			||||
	{ | 
				
			||||
		$this->asArray = $value; | 
				
			||||
		return $this; | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	public function with() | 
				
			||||
	{ | 
				
			||||
		$this->with = func_get_args(); | 
				
			||||
		if (isset($this->with[0]) && is_array($this->with[0])) { | 
				
			||||
			// the parameter is given as an array | 
				
			||||
			$this->with = $this->with[0]; | 
				
			||||
		} | 
				
			||||
		return $this; | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	public function index($column) | 
				
			||||
	{ | 
				
			||||
		$this->index = $column; | 
				
			||||
		return $this; | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	public function tableAlias($value) | 
				
			||||
	{ | 
				
			||||
		$this->tableAlias = $value; | 
				
			||||
		return $this; | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	public function scopes($names) | 
				
			||||
	{ | 
				
			||||
		$this->scopes = $names; | 
				
			||||
		return $this; | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	protected function createModels($rows) | 
				
			||||
	{ | 
				
			||||
		$models = array(); | 
				
			||||
		if ($this->asArray) { | 
				
			||||
			if ($this->index === null) { | 
				
			||||
				return $rows; | 
				
			||||
			} | 
				
			||||
			foreach ($rows as $row) { | 
				
			||||
				$models[$row[$this->index]] = $row; | 
				
			||||
			} | 
				
			||||
		} else { | 
				
			||||
			/** @var $class ActiveRecord */ | 
				
			||||
			$class = $this->modelClass; | 
				
			||||
			if ($this->index === null) { | 
				
			||||
				foreach ($rows as $row) { | 
				
			||||
					$models[] = $class::create($row); | 
				
			||||
				} | 
				
			||||
			} else { | 
				
			||||
				foreach ($rows as $row) { | 
				
			||||
					$models[$row[$this->index]] = $class::create($row); | 
				
			||||
				} | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
		return $models; | 
				
			||||
	} | 
				
			||||
} | 
				
			||||
@ -1,8 +0,0 @@
					 | 
				
			||||
<?php | 
				
			||||
 | 
				
			||||
namespace yii\db\ar; | 
				
			||||
 | 
				
			||||
class HasManyRelation extends Relation | 
				
			||||
{ | 
				
			||||
	public $link; | 
				
			||||
} | 
				
			||||
@ -1,8 +0,0 @@
					 | 
				
			||||
<?php | 
				
			||||
 | 
				
			||||
namespace yii\db\ar; | 
				
			||||
 | 
				
			||||
class HasOneRelation extends Relation | 
				
			||||
{ | 
				
			||||
	public $link; | 
				
			||||
} | 
				
			||||
@ -1,173 +0,0 @@
					 | 
				
			||||
<?php | 
				
			||||
/** | 
				
			||||
 * JoinElement class file. | 
				
			||||
 * | 
				
			||||
 * @author Qiang Xue <qiang.xue@gmail.com> | 
				
			||||
 * @link http://www.yiiframework.com/ | 
				
			||||
 * @copyright Copyright © 2008-2012 Yii Software LLC | 
				
			||||
 * @license http://www.yiiframework.com/license/ | 
				
			||||
 */ | 
				
			||||
 | 
				
			||||
namespace yii\db\ar; | 
				
			||||
 | 
				
			||||
use yii\base\VectorIterator; | 
				
			||||
use yii\db\dao\Query; | 
				
			||||
use yii\db\Exception; | 
				
			||||
 | 
				
			||||
 | 
				
			||||
class JoinElement | 
				
			||||
{ | 
				
			||||
	/** | 
				
			||||
	 * @var integer ID of this join element | 
				
			||||
	 */ | 
				
			||||
	public $id; | 
				
			||||
	/** | 
				
			||||
	 * @var BaseActiveQuery | 
				
			||||
	 */ | 
				
			||||
	public $query; | 
				
			||||
	/** | 
				
			||||
	 * @var JoinElement the parent element that this element needs to join with | 
				
			||||
	 */ | 
				
			||||
	public $parent; | 
				
			||||
	public $container; | 
				
			||||
	/** | 
				
			||||
	 * @var JoinElement[] the child elements that need to join with this element | 
				
			||||
	 */ | 
				
			||||
	public $children = array(); | 
				
			||||
	/** | 
				
			||||
	 * @var JoinElement[] the child elements that have corresponding relations declared in the AR class of this element | 
				
			||||
	 */ | 
				
			||||
	public $relations = array(); | 
				
			||||
	/** | 
				
			||||
	 * @var array column aliases (alias => original name) | 
				
			||||
	 */ | 
				
			||||
	public $columnAliases = array(); | 
				
			||||
	/** | 
				
			||||
	 * @var array primary key column aliases (original name => alias) | 
				
			||||
	 */ | 
				
			||||
	public $pkAlias = array(); | 
				
			||||
	/** | 
				
			||||
	 * @var string|array the column(s) used for index the query results | 
				
			||||
	 */ | 
				
			||||
	public $key; | 
				
			||||
	/** | 
				
			||||
	 * @var array query results for this element (PK value => AR instance or data array) | 
				
			||||
	 */ | 
				
			||||
	public $records = array(); | 
				
			||||
	public $related = array(); | 
				
			||||
 | 
				
			||||
	/** | 
				
			||||
	 * @param integer $id | 
				
			||||
	 * @param ActiveRelation|ActiveQuery $query | 
				
			||||
	 * @param null|JoinElement $parent | 
				
			||||
	 * @param null|JoinElement $container | 
				
			||||
	 */ | 
				
			||||
	public function __construct($id, $query, $parent, $container) | 
				
			||||
	{ | 
				
			||||
		$this->id = $id; | 
				
			||||
		$this->query = $query; | 
				
			||||
		if ($parent !== null) { | 
				
			||||
			$this->parent = $parent; | 
				
			||||
			$this->container = $container; | 
				
			||||
			$parent->children[$query->name] = $this; | 
				
			||||
			if ($query->select !== false) { | 
				
			||||
				$container->relations[$query->name] = $this; | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	public function populateData($rows) | 
				
			||||
	{ | 
				
			||||
		if ($this->container === null) { | 
				
			||||
			foreach ($rows as $row) { | 
				
			||||
				if (($key = $this->getKeyValue($row)) !== null && !isset($this->records[$key])) { | 
				
			||||
					$this->records[$key] = $this->createRecord($row); | 
				
			||||
				} | 
				
			||||
			} | 
				
			||||
		} else { | 
				
			||||
			foreach ($rows as $row) { | 
				
			||||
				$key = $this->getKeyValue($row); | 
				
			||||
				$containerKey = $this->container->getKeyValue($row); | 
				
			||||
				if ($key === null || $containerKey === null || isset($this->related[$containerKey][$key])) { | 
				
			||||
					continue; | 
				
			||||
				} | 
				
			||||
				$this->related[$containerKey][$key] = true; | 
				
			||||
				if ($this->query->asArray) { | 
				
			||||
					if (isset($this->records[$key])) { | 
				
			||||
						if ($this->query->hasMany) { | 
				
			||||
							if ($this->query->index !== null) { | 
				
			||||
								$this->container->records[$containerKey][$this->query->name][$key] =& $this->records[$key]; | 
				
			||||
							} else { | 
				
			||||
								$this->container->records[$containerKey][$this->query->name][] =& $this->records[$key]; | 
				
			||||
							} | 
				
			||||
						} else { | 
				
			||||
							$this->container->records[$containerKey][$this->query->name] =& $this->records[$key]; | 
				
			||||
						} | 
				
			||||
					} else { | 
				
			||||
						$record = $this->createRecord($row); | 
				
			||||
						if ($this->query->hasMany) { | 
				
			||||
							if ($this->query->index !== null) { | 
				
			||||
								$this->container->records[$containerKey][$this->query->name][$key] = $record; | 
				
			||||
								$this->records[$key] =& $this->container->records[$containerKey][$this->query->name][$key]; | 
				
			||||
							} else { | 
				
			||||
								$count = count($this->container->records[$containerKey][$this->query->name]); | 
				
			||||
								$this->container->records[$containerKey][$this->query->name][] = $record; | 
				
			||||
								$this->records[$key] =& $this->container->records[$containerKey][$this->query->name][$count]; | 
				
			||||
							} | 
				
			||||
						} else { | 
				
			||||
							$this->container->records[$containerKey][$this->query->name] = $record; | 
				
			||||
							$this->records[$key] =& $this->container->records[$containerKey][$this->query->name]; | 
				
			||||
						} | 
				
			||||
					} | 
				
			||||
				} else { | 
				
			||||
					if (isset($this->records[$key])) { | 
				
			||||
						$record = $this->records[$key]; | 
				
			||||
					} else { | 
				
			||||
						$this->records[$key] = $record = $this->createRecord($row); | 
				
			||||
					} | 
				
			||||
					$this->container->records[$containerKey]->addRelatedRecord($this->query, $record); | 
				
			||||
				} | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
 | 
				
			||||
		foreach ($this->relations as $child) { | 
				
			||||
			$child->populateData($rows); | 
				
			||||
		} | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	protected function getKeyValue($row) | 
				
			||||
	{ | 
				
			||||
		if (is_array($this->key)) { | 
				
			||||
			$key = array(); | 
				
			||||
			foreach ($this->key as $alias) { | 
				
			||||
				if (!isset($row[$alias])) { | 
				
			||||
					return null; | 
				
			||||
				} | 
				
			||||
				$key[] = $row[$alias]; | 
				
			||||
			} | 
				
			||||
			return serialize($key); | 
				
			||||
		} else { | 
				
			||||
			return $row[$this->key]; | 
				
			||||
		} | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	protected function createRecord($row) | 
				
			||||
	{ | 
				
			||||
		$record = array(); | 
				
			||||
		foreach ($this->columnAliases as $alias => $name) { | 
				
			||||
			$record[$name] = $row[$alias]; | 
				
			||||
		} | 
				
			||||
		if ($this->query->asArray) { | 
				
			||||
			foreach ($this->relations as $child) { | 
				
			||||
				$record[$child->query->name] = $child->query->hasMany ? array() : null; | 
				
			||||
			} | 
				
			||||
		} else { | 
				
			||||
			$modelClass = $this->query->modelClass; | 
				
			||||
			$record = $modelClass::create($record); | 
				
			||||
			foreach ($this->relations as $child) { | 
				
			||||
				$record->{$child->query->name} = $child->query->hasMany ? array() : null; | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
		return $record; | 
				
			||||
	} | 
				
			||||
} | 
				
			||||
@ -1,10 +0,0 @@
					 | 
				
			||||
<?php | 
				
			||||
 | 
				
			||||
namespace yii\db\ar; | 
				
			||||
 | 
				
			||||
class ManyManyRelation extends Relation | 
				
			||||
{ | 
				
			||||
	public $joinTable; | 
				
			||||
	public $leftLink; | 
				
			||||
	public $rightLink; | 
				
			||||
} | 
				
			||||
@ -1,82 +0,0 @@
					 | 
				
			||||
<?php | 
				
			||||
 | 
				
			||||
namespace yii\db\ar; | 
				
			||||
 | 
				
			||||
class Relation extends ActiveQuery | 
				
			||||
{ | 
				
			||||
	protected $multiple = false; | 
				
			||||
	public $parentClass; | 
				
			||||
	/** | 
				
			||||
	 * @var array | 
				
			||||
	 */ | 
				
			||||
	public $link; | 
				
			||||
	/** | 
				
			||||
	 * @var ActiveQuery | 
				
			||||
	 */ | 
				
			||||
	public $via; | 
				
			||||
 | 
				
			||||
	public function findWith($name, &$parentRecords) | 
				
			||||
	{ | 
				
			||||
		if (empty($this->link) || !is_array($this->link)) { | 
				
			||||
			throw new \yii\base\Exception('invalid link'); | 
				
			||||
		} | 
				
			||||
		$this->addLinkCondition($parentRecords); | 
				
			||||
		$records = $this->find(); | 
				
			||||
 | 
				
			||||
		/** @var array $map mapping key(s) to index of $parentRecords */ | 
				
			||||
		$index = $this->buildRecordIndex($parentRecords, array_values($this->link)); | 
				
			||||
		$this->initRecordRelation($parentRecords, $name); | 
				
			||||
		foreach ($records as $record) { | 
				
			||||
			$key = $this->getRecordKey($record, array_keys($this->link)); | 
				
			||||
			if (isset($index[$key])) { | 
				
			||||
				$parentRecords[$map[$key]][$name] = $record; | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	protected function getRecordKey($record, $attributes) | 
				
			||||
	{ | 
				
			||||
		if (isset($attributes[1])) { | 
				
			||||
			$key = array(); | 
				
			||||
			foreach ($attributes as $attribute) { | 
				
			||||
				$key[] = is_array($record) ? $record[$attribute] : $record->$attribute; | 
				
			||||
			} | 
				
			||||
			return serialize($key); | 
				
			||||
		} else { | 
				
			||||
			$attribute = $attributes[0]; | 
				
			||||
			return is_array($record) ? $record[$attribute] : $record->$attribute; | 
				
			||||
		} | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	protected function buildRecordIndex($records, $attributes) | 
				
			||||
	{ | 
				
			||||
		$map = array(); | 
				
			||||
		foreach ($records as $i => $record) { | 
				
			||||
			$map[$this->getRecordKey($record, $attributes)] = $i; | 
				
			||||
		} | 
				
			||||
		return $map; | 
				
			||||
	} | 
				
			||||
 | 
				
			||||
	protected function addLinkCondition($parentRecords) | 
				
			||||
	{ | 
				
			||||
		$attributes = array_keys($this->link); | 
				
			||||
		$values = array(); | 
				
			||||
		if (isset($links[1])) { | 
				
			||||
			// composite keys | 
				
			||||
			foreach ($parentRecords as $record) { | 
				
			||||
				$v = array(); | 
				
			||||
				foreach ($this->link as $attribute => $link) { | 
				
			||||
					$v[$attribute] = is_array($record) ? $record[$link] : $record->$link; | 
				
			||||
				} | 
				
			||||
				$values[] = $v; | 
				
			||||
			} | 
				
			||||
		} else { | 
				
			||||
			// single key | 
				
			||||
			$attribute = $this->link[$links[0]]; | 
				
			||||
			foreach ($parentRecords as $record) { | 
				
			||||
				$values[] = is_array($record) ? $record[$attribute] : $record->$attribute; | 
				
			||||
			} | 
				
			||||
		} | 
				
			||||
		$this->andWhere(array('in', $attributes, $values)); | 
				
			||||
	} | 
				
			||||
} | 
				
			||||
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		Reference in new issue